JPS6132287Y2 - - Google Patents
Info
- Publication number
- JPS6132287Y2 JPS6132287Y2 JP1980150255U JP15025580U JPS6132287Y2 JP S6132287 Y2 JPS6132287 Y2 JP S6132287Y2 JP 1980150255 U JP1980150255 U JP 1980150255U JP 15025580 U JP15025580 U JP 15025580U JP S6132287 Y2 JPS6132287 Y2 JP S6132287Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchange
- water
- exchange pipe
- pipe
- hot water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 238000005086 pumping Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000008400 supply water Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005338 heat storage Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Other Air-Conditioning Systems (AREA)
Description
【考案の詳細な説明】
本考案は、冷温水発生装置等における排熱回収
装置に関するものであり、燃焼炉を有する冷温水
発生機等の排ガスの有する熱量を回収し、冷温水
発生装置等の綜合熱効率を向上させると共に、該
排ガスの熱量回収時における熱交換パイプの硫黄
分による低温腐食をも防止することを目的として
いる。[Detailed description of the invention] The present invention relates to an exhaust heat recovery device for a cold/hot water generator, etc., and recovers the amount of heat contained in the exhaust gas of a cold/hot water generator having a combustion furnace. The objective is to improve the combined heat efficiency and also to prevent low-temperature corrosion due to sulfur content in the heat exchange pipe during the heat recovery of the exhaust gas.
冷暖房のための空調用冷温水発生機や温水発生
機等の熱効率は一般的には85〜88％の熱効率のも
のであり、他方排ガスは発熱炉出口において250
〜300℃という高い熱量を保有している。 The thermal efficiency of air conditioning cold/hot water generators and hot water generators for heating and cooling is generally 85 to 88%, while exhaust gas has a thermal efficiency of 250% at the exit of the heating furnace.
It has a high heat content of ~300℃.
本考案は、上述の排ガスの熱量を有効に回収す
るようにしたものであるが、常温の水あるいは大
気を利用して排ガスと熱交換しようとすると、排
ガス中の硫黄分のため熱交換器に低温腐食が生ず
るので、本考案では、この低温腐食も生じないよ
うに意図されている。 The present invention is designed to effectively recover the amount of heat from the exhaust gas mentioned above. However, when attempting to exchange heat with the exhaust gas using room temperature water or the atmosphere, the heat exchanger cannot be used due to the sulfur content in the exhaust gas. Since low-temperature corrosion occurs, the present invention is intended to prevent this low-temperature corrosion from occurring as well.
以下、図示例についてその構成を説明する。 The configuration of the illustrated example will be explained below.
第１図は暖房装置として使用される際の実施の
１例のレイアウト図であつて、冷温水発生機１
は、バーナ２を有する燃焼炉３を備え、図示を省
略した公知の熱交換装置により、蓄熱水槽４、空
調器５等により、所定の暖房機能を発揮するもの
である。 Figure 1 is a layout diagram of an example of implementation when used as a heating device, and shows a cold/hot water generator 1.
The apparatus is equipped with a combustion furnace 3 having a burner 2, and performs a predetermined heating function using a heat storage water tank 4, an air conditioner 5, etc., using a known heat exchange device (not shown).
本考案においては、前記冷温水発生機１の排ガ
ス通路６に、複数回にわたつて蛇行するパイプよ
りなる熱交換パイプ７が配置されており、その入
口端８は、送水ポンプ９と揚水パイプ１０とを介
して循環水路たる蓄熱水槽４の低温側１１に連通
されており、前記熱交換パイプ７の出口端１２
は、排水パイプ１３により循環水路たる蓄熱水槽
４の高温側１４に連通されており、該高温側１４
における高温水は、温水送水ポンプ１５により空
調器５に送られ、放熱後、循環パイプ１６によ
り、前記循環水路たる蓄熱水槽４の低温側１１に
戻されるように構成されている。 In the present invention, a heat exchange pipe 7 made of a meandering pipe is arranged in the exhaust gas passage 6 of the cold/hot water generator 1, and the inlet end 8 of the heat exchange pipe 7 is connected to a water pump 9 and a water pump 10. The outlet end 12 of the heat exchange pipe 7 is connected to the low temperature side 11 of the heat storage water tank 4 which is a circulation waterway.
is connected to the high temperature side 14 of the heat storage water tank 4 which is a circulation waterway through a drainage pipe 13, and the high temperature side 14
The high-temperature water is sent to the air conditioner 5 by a hot water pump 15, and after heat radiation is returned to the low-temperature side 11 of the heat storage water tank 4, which is the circulation waterway, through a circulation pipe 16.
前述の熱交換パイプ７の出口端１２には、送水
ポンプ９のサクシヨン側１７に連通するパイプ１
８が付設されており、熱交換パイプ７内で高温と
された温水の一部が蓄熱水槽４の低温側１１の温
水と共に、送水ポンプ９から熱交換パイプ７の入
口端８に供給されるようになつている。 At the outlet end 12 of the heat exchange pipe 7, there is a pipe 1 communicating with the suction side 17 of the water pump 9.
8 is attached so that a part of the hot water that has become high temperature in the heat exchange pipe 7 is supplied from the water pump 9 to the inlet end 8 of the heat exchange pipe 7 together with the hot water on the low temperature side 11 of the heat storage water tank 4. It's getting old.
前述の入口端８には供給水温の検知器１９が取
り付けられていると共に、前記揚水パイプ１０に
は揚水量制御弁装置２０が取り付けられており、
その弁開度が、前記検知器１９の検知信号により
制御されるように構成されている。 A supply water temperature detector 19 is attached to the inlet end 8, and a pumping amount control valve device 20 is attached to the pumping pipe 10.
The valve opening degree is configured to be controlled by a detection signal from the detector 19.
この検知器１９は、入口端８の温水温度に応じ
て揚水量制御弁装置２０の弁開度を調整し、蓄熱
水槽４の低温側１１から熱交換パイプ７へ供給さ
れる水量を大小に調整し、パイプ１８から供給さ
れる温水と混和させることにより入口端８から熱
交換パイプ７に供給される水温を常に一定に保つ
ように作用するものである。 This detector 19 adjusts the valve opening of the water pumping amount control valve device 20 according to the temperature of the hot water at the inlet end 8, and adjusts the amount of water supplied from the low temperature side 11 of the heat storage water tank 4 to the heat exchange pipe 7. However, by mixing it with the hot water supplied from the pipe 18, it acts to always keep the temperature of the water supplied from the inlet end 8 to the heat exchange pipe 7 constant.
前述の空調器５に50℃程度の温水を供給する装
置の場合には、熱交換パイプ７の出口端１２にお
いては85℃程度の温水が得られ、その一部をパイ
プ１８で送水ポンプ９のサクシヨン側１７に供給
することにより、熱交換パイプ７の入口端８の温
水温度を70℃に一定に保つよう前記検知器１９と
揚水量制御弁装置２０とが設定されるものであ
る。 In the case of the above-mentioned device that supplies hot water of about 50°C to the air conditioner 5, hot water of about 85°C is obtained at the outlet end 12 of the heat exchange pipe 7, and a part of it is supplied to the water pump 9 through the pipe 18. The detector 19 and the water pumping amount control valve device 20 are set so that the hot water temperature at the inlet end 8 of the heat exchange pipe 7 is kept constant at 70° C. by supplying hot water to the suction side 17.
そして冷温水発生機１の排ガス通路６における
出口温度が通常では250〜300℃であつたものが
150℃程度となり、冷温水発生装置全体としての
綜合熱効率を４〜７％上昇した92％程度たらしめ
うるものである。 The outlet temperature in the exhaust gas passage 6 of the cold/hot water generator 1 was normally 250 to 300°C.
The temperature is approximately 150°C, and the overall thermal efficiency of the cold/hot water generator as a whole can be increased by 4 to 7% to approximately 92%.
そして、熱交換パイプ７の入口端８の温度が70
℃に保たれる結果、該パイプ７の硫黄分による低
温腐食は完全に防止されるものである。 Then, the temperature at the inlet end 8 of the heat exchange pipe 7 is 70
As a result of being maintained at a temperature of .degree. C., low-temperature corrosion of the pipe 7 due to sulfur content is completely prevented.
第２図は冷房装置として使用される際の実施の
１例のレイアウト図であり、冷水発生機の排ガス
通路２１に熱交換パイプ２２が配置され、該パイ
プ２２の入口端２３が送水ポンプ２４と揚水パイ
プ２５を介して循環水路たる循環パイプ２６に連
通され、また熱交換パイプ２２の出口端２７は排
水パイプ２８により循環水路中の蓄熱水槽２９に
連通されており、蓄熱水槽２９内の高温温水は送
水ポンプ３０により、別途の温水利用回路に送水
され、循環パイプ２６に戻るよう構成されてい
る。 FIG. 2 is a layout diagram of an example of implementation when used as a cooling device, in which a heat exchange pipe 22 is arranged in the exhaust gas passage 21 of the cold water generator, and the inlet end 23 of the pipe 22 is connected to the water pump 24. It is connected to a circulation pipe 26 which is a circulation waterway through a pumping pipe 25, and an outlet end 27 of the heat exchange pipe 22 is connected to a heat storage water tank 29 in the circulation waterway through a drainage pipe 28. The water is sent to a separate hot water utilization circuit by a water pump 30, and then returned to the circulation pipe 26.
そして上述の送水ポンプ２４のサクシヨン側３
１と熱交換パイプ２２の出口端２７とはパイプ３
２で連通され、揚水パイプ２５には、熱交換パイ
プ２２の入口端２３に付設された供給水温の検知
器３３で開閉を制御される揚水量制御弁装置３４
が付設され、入口端２３における水温を常に一定
に保つていることは、前記第１図に示す実施例の
ものと全く同様のものである。 and the suction side 3 of the water pump 24 mentioned above.
1 and the outlet end 27 of the heat exchange pipe 22 are the pipe 3
2, and the pumping pipe 25 has a pumping amount control valve device 34 whose opening and closing are controlled by a supply water temperature detector 33 attached to the inlet end 23 of the heat exchange pipe 22.
The water temperature at the inlet end 23 is kept constant at all times, which is exactly the same as in the embodiment shown in FIG.
この第２図で示す実施例では、熱交換パイプ２
２で回収された熱量が直接冷房に利用されないも
のの、送水ポンプ３０で他の温水利用回路に送水
されることにより熱の無駄がはぶかれるものであ
る。 In the embodiment shown in FIG. 2, the heat exchange pipe 2
Although the amount of heat recovered in step 2 is not directly used for cooling, it is sent to other hot water utilization circuits by the water pump 30, thereby eliminating wasted heat.
本考案装置は、以上説明した構成、作用のもの
であつて、空調用の冷温水発生装置に限らず、他
の燃焼炉の排ガスの熱量の回収にも利用できるこ
とは勿論である。 The device of the present invention has the configuration and function described above, and can of course be used not only as a cold/hot water generator for air conditioning, but also for recovering the amount of heat from the exhaust gas of other combustion furnaces.
本考案に係る排熱回収装置は、以上説明した構
成、作用のものであつて、燃焼炉を有する冷温水
発生機等の排ガスの有する熱量を有効に回収で
き、冷温水発生装置等の綜合熱効率を向上させう
るのみでなく、排ガス中の硫黄分による熱交換パ
イプの低温腐食をも良好に防止しうる等の効果を
奏するものである。 The exhaust heat recovery device according to the present invention has the configuration and operation described above, and can effectively recover the amount of heat contained in the exhaust gas of a cold/hot water generator having a combustion furnace, etc., and can improve the overall thermal efficiency of the cold/hot water generator, etc. This not only improves the performance of the heat exchanger but also effectively prevents low-temperature corrosion of heat exchange pipes caused by the sulfur content in the exhaust gas.
第１図および第２図は、それぞれ異なる実施例
のレイアウト図である。
１……冷温水発生機、３……燃焼炉、４……循
環水路を構成する蓄熱水槽、６……排ガス通路、
７……熱交換パイプ、８……入口端、９……送水
ポンプ、１０……揚水パイプ、１１……低温側、
１２……出口端、１４……高温側、１７……サク
シヨン側、１８……パイプ、１９……検知器、２
０……揚水量制御弁装置。
1 and 2 are layout diagrams of different embodiments, respectively. 1... Cold and hot water generator, 3... Combustion furnace, 4... Heat storage water tank forming a circulation waterway, 6... Exhaust gas passage,
7... Heat exchange pipe, 8... Inlet end, 9... Water pump, 10... Lifting pipe, 11... Low temperature side,
12... Outlet end, 14... High temperature side, 17... Suction side, 18... Pipe, 19... Detector, 2
0...Pumped water control valve device.
Claims (1)
える冷温水発生装置において、冷温水発生機の排
ガス通路に、熱交換パイプが配置され、該熱交換
パイプの入口端は送水ポンプと揚水パイプとを介
して循環水路の低温側に連通され、前記熱交換パ
イプの出口端は、循環水路の高温側に連通させら
れており、また前記熱交換パイプの出口端には、
前記送水ポンプのサクシヨン側に連通するパイプ
が付設されていると共に、熱交換パイプの入口端
には供給水温の検知器が取り付けられ、また揚水
パイプには、前記供給水温の検知器の検知信号に
より開閉を制御される揚水量制御弁装置が取り付
けられ、熱交換パイプの入口端における水温を一
定に維持するように構成されている冷温水発生装
置等における排熱回収装置。 In a cold/hot water generation device including a cold/hot water generator having a combustion furnace and a circulation waterway, a heat exchange pipe is disposed in the exhaust gas passage of the cold/hot water generator, and the inlet end of the heat exchange pipe is connected to a water pump and a water pumping pipe. The outlet end of the heat exchange pipe is communicated with the high temperature side of the circulation waterway, and the outlet end of the heat exchange pipe is connected to the low temperature side of the circulation waterway.
A pipe communicating with the suction side of the water supply pump is attached, and a supply water temperature detector is attached to the inlet end of the heat exchange pipe, and the water pump is connected to a supply water temperature detector according to the detection signal of the supply water temperature detector. An exhaust heat recovery device for a cold/hot water generator, etc., which is equipped with a water pumping amount control valve device that is controlled to open and close, and is configured to maintain a constant water temperature at the inlet end of a heat exchange pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980150255U JPS6132287Y2 (en) | 1980-10-21 | 1980-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980150255U JPS6132287Y2 (en) | 1980-10-21 | 1980-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5772071U JPS5772071U (en) | 1982-05-01 |
| JPS6132287Y2 true JPS6132287Y2 (en) | 1986-09-19 |
Family
ID=29509630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980150255U Expired JPS6132287Y2 (en) | 1980-10-21 | 1980-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6132287Y2 (en) |
-
1980
- 1980-10-21 JP JP1980150255U patent/JPS6132287Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5772071U (en) | 1982-05-01 |
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